Download - Platinum-Group Metals 2018
2018 Minerals Yearbook
U.S. Department of the Interior U.S. Geological Survey
PLATINUM-GROUP METALS [ADVANCE RELEASE]
August 2021
Platinum-GrouP metals—2018 [aDVanCe release] 57.1
Platinum-Group MetalsBy sheryl a. singerling and ruth F. schulte
Domestic survey data and tables were prepared by Christine K. Pisut, statistical assistant.
in 2018, the united states was the world’s fourth-leading producer of palladium and the fifth-leading producer of platinum (table 5). sibanye Gold ltd. (sibanye-stillwater, south africa), the only domestic mine producer of non-byproduct platinum-group metals (PGms), recovered PGms from its stillwater and Boulder mines in montana. Domestic production of palladium and platinum was 14,300 kilograms (kg) and 4,160 kg, a slight increase and a 4% increase, respectively, from that estimated for 2017 (sibanye Gold ltd., 2019b, p. 35). recycling was a significant source of PGMs as well, accounting for about 29% of the total global supply of palladium, platinum, and rhodium in 2018 (Cowley, 2019, p. 35, 39, 43).
in 2018, the automobile industry continued to be the major consumer of PGms. Catalytic converters accounted for approximately 85% of global rhodium consumption, 85% of palladium consumption, and 39% of platinum consumption (CPm Group, 2019, p. 7, 107, 173). the annual average prices for iridium, palladium, rhodium, and ruthenium increased by 42%, 19%, 100%, and 218%, respectively, compared with those of 2017, whereas the platinum price decreased by 7% (fig. 1, table 1). in 2018, excluding waste and scrap, imports of PGms increased by 10%, and exports increased by 9%. note that exports of iridium, osmium, and ruthenium are reported in gross weight because they are not reported separately when exported (table 1). World mine production of PGms totaled 471,000 kg, a 3% increase from the revised total in 2017. most of the world’s mine supply of PGms was produced in south africa and russia, which accounted for 58% and 25%, respectively, of global PGm mine production (table 5).
the PGms are iridium, osmium, palladium, platinum, rhodium, and ruthenium. the PGms occur together in nature, but economic deposits are rare. PGms are produced from deposits that are mined primarily for PGms and are also produced as byproducts of chromite or nickel-copper mines.
Legislation and Government Programs
the Defense logistics agency strategic materials, u.s. Department of Defense, reported no PGm sales in 2018. at yearend, the national Defense stockpile contained 15 kg of iridium, 261 kg of platinum, and less than 1 kg each of palladium and palladium-cobalt wire. in addition, 10 kg of PGm compounds was added to the stockpile in 2018.
in may, the u.s. Department of the interior, in coordination with other executive branch agencies, published a list of 35 critical mineral commodities, including PGms (U.S. Department of the Interior, Office of the Secretary, 2018). the list was developed to serve as an initial focus pursuant to executive order 13817, “a Federal strategy to ensure secure and reliable supplies of Critical minerals” (trump, 2017).
in april 2018, under section 301(b) of the trade act of 1974, as amended, the Office of the U.S. Trade Representative
(ustr) determined that acts, policies, and practices of China related to technology transfer, intellectual property, and innovation were discriminatory or unreasonable and those actions burdened or restricted United States commerce (Office of the u.s. trade representative, 2018b, p. 47974–48192). as a result, the ustr imposed an additional import duty of 25% on an initial list of products from China in June 2018, including PGMs (Office of the U.S. Trade Representative, 2018a, p. 28710–28756). an additional 10% ad valorem duty was imposed in september 2018, which also included PGMs, and would increase to 25% in January 2019 (Office of the u.s. trade representative, 2018c, p. 47974–48192). PGm-containing materials subject to the section 301 actions included the following Harmonized Tariff Schedule of the united states codes: 7110.11.00 (platinum, unwrought or in powder form), 7110.19.00 (platinum, in semimanufactured forms), 7110.21.00 (palladium, unwrought or in powder form), 7110.29.00 (palladium, in semimanufactured forms), 7110.31.00 (rhodium, unwrought or in powder form), 7110.39.00 (rhodium, in semimanufactured forms), 7110.41.00 (iridium, osmium and ruthenium, unwrought or in powder form), 7110.49.00 (iridium, osmium and ruthenium, in semimanufactured forms), 7112.92.00 (platinum waste and scrap), and 7115.10.00 (platinum catalysts in the form of wire cloth or grill) (Office of the U.S. Trade Representative, 2018d).
Production
Mine.—During 2018, u.s. palladium and platinum mine production was 14,300 kg and 4,160 kg, respectively. Compared with 2017, this represented a slight increase in palladium and an increase of 4% for platinum (table 1) (sibanye Gold ltd., 2019b, p. 35).
sibanye-stillwater produced PGms from two mines in the united states, the stillwater mine and the east Boulder mine, both located in montana. in 2018, the stillwater mine produced 11,300 kg of PGms, and the east Boulder mine produced 7,110 kg of PGms. sibanye-stillwater processed 1.34 million metric tons (mt) of ore from the mines with a combined mill-head grade of 15 grams per metric ton PGms and a PGm mill recovery rate of 91%. the concentrates from the mines were smelted and then processed at the base-metals refinery at sibanye-stillwater’s metallurgical complex in Columbus, MT, producing a PGM-rich filter cake. Final refining of PGms to commerical grade was done by Johnson matthey Plc (United Kingdom). Refined metal from Sibanye-Stillwater’s mine production was sold to Tiffany & Co. and Johnson matthey Plc (sibanye Gold ltd., 2019a, p. 13, 50, 52).
at yearend 2018, sibanye-stillwater reported proven and probable reserves at its montana mines of 46.4 mt of ore with a palladium-to-platinum ratio ranging from 3.4:1 to 3.6:1 and about 797,000 kg of contained palladium and platinum. these
57.2 [aDVanCe release] u.s. GeoloGiCal surVeY minerals YearBooK—2018
reserves are contained in the J-m reef, an ore body within the layered mafic and ultramafic igneous rocks of the Stillwater Complex (sibanye Gold ltd., 2019a, p. 328–329). Production from the Blitz development project, a mine expansion project adjacent to the stillwater mine, continued and contributed to the increase in production for 2018. Full production from the Blitz project was expected by late 2022 (sibanye Gold ltd., 2019b, p. 3). Effective July 1, 2018, Wheaton Precious Metals Corp. would acquire 100% of the gold and a percentage of the palladium (4.5% decreasing to 2.25% and then to 1% over time after set delivery amounts) produced at east Boulder and stillwater over the life of the mines (Wheaton Precious metals Corp., 2018).
in 2018, two PGm exploration projects in the Duluth Complex of minnesota continued to progress towards development. on november 1, Polymet mining, inc. (Polymet) (Canada) announced that it had received a mining permit from the state of minnesota for its northmet copper-nickel-PGm project in the Duluth Complex. the permit would allow Polymet to construct and run open pit mines with an expected 20-year mine production of nearly 50,000 kg of precious metals. the ore would be processed at the company’s nearby erie Plant facilities, originally used to process iron ore (Polymet mining, inc., 2018). twin metals minnesota llC (st. Paul, mn), a wholly owned subsidiary of antofagasta plc, continued to pursue the development of its twin metals minnesota copper-nickel-PGm project. the twin metals project, planned as an underground mine, included three deposits in close proximity—the Birch lake, maturi, and spruce road deposits. in may, Twin Metals was notified that the Bureau of Land Management, u.s. Department of the interior, was reinstating two mineral leases in northeastern minnesota held by the company (twin metals minnesota llC, 2018).
Refinery.—the u.s. Geological survey surveyed domestic precious-metals refinery producers on an annual basis. Of the 21 companies that were surveyed for commercial-grade PGm refinery production in 2018, 6 companies responded. Refinery production for the non-respondents was estimated based on prior reports or on information from other sources; however, it was still likely underestimated.
During 2018, U.S. palladium and platinum refinery production was 26,600 kg and 24,800 kg, respectively. Compared with the revised data for 2017, production decreased by 30% for palladium and by 11% for platinum (table 1).
Recycling.—in 2018, PGms were recycled from three main sources—catalytic converters, electronics, and jewelry. Globally, more than 173,000 kg of secondary PGms was recovered, accounting for approximately 29% of the global supply of PGms. Catalytic converters were the predominant source of secondary PGms. an estimated 54,000 kg of PGms was recovered from catalytic converters in the united states, which was about 49% of the world total. the quantity of material available for recycling is very price sensitive. as metal prices increase, recycling becomes more profitable and, thus, more material is available for supply; conversely, a decrease in metal prices leads to reduced recycling and reduced material availability from recycling (Cowley, 2019, p. 35, 39, 43; CPm Group, 2019, p. 32–33, 119, 180).
sibanye-stillwater reported that it recovered 21,400 kg of PGms from spent catalytic converters and other industrial sources in 2018. of the total recycled, sibanye-stillwater toll-refined 4,480 kg of PGMs. In 2018, Sibanye-Stillwater sold 16,800 kg of PGms (sibanye Gold ltd., 2019a, p. 50). in June, Heraeus Precious metals north america llC announced that it had expanded its precious-metals recycling plant in Wartburg, tn, to meet increasing demand. the expansion created 20 new jobs and included upgrades to recycling technologies and capabilities (international Precious metals institute, 2018).
Consumption
The PGMs are consumed in several different industries in the united states and are often used in the same applications. owing to similar atomic structures and chemistries, they exhibit similar properties, which include biocompatibility; catalytic, conductive, and electrical properties; high melting temperature; and resistance to chemical corrosion and oxidation. the primary uses for PGms are in automotive catalytic converters, chemical and petroleum catalysts, electronics, glassmaking, investment, jewelry, and medical and dental devices.
the dominant application for PGms since 1979 has been in catalytic converters. Palladium, platinum, and rhodium are used in catalytic converters to capture harmful exhaust emissions, such as carbon monoxide, hydrocarbons, and nitrogen oxides. the catalytic properties of the PGms are also used in the chemical and petroleum industries. in the chemical industry, platinum and rhodium catalyze the reaction that generates nitric acid, which is used in the production of explosives, fertilizers, and some plastics. additionally, platinum catalysts are necessary for the production of silicone. in the petroleum industry, platinum is used as a catalyst in the refining of crude oil, reforming, and other processes used in the production of aromatic compounds and high-octane gasoline.
uses of the PGms in electronics include hard-drive disks, multilayer ceramic capacitors, plasma-display panels, and semiconductor thermocouples. Iridium is used specifically as a crucible material for the production of high-quality single crystals. owing to their resistance to chemical corrosion and degradation at high temperatures, platinum and rhodium are used in glassmaking primarily for manufacture of liquid-crystal displays. the biocompatibility (nonreactivity of the metals with organic tissue) of the PGms allows for their use in dental and medical devices as well as in jewelry. their resistance to chemical corrosion and oxidation and relative rarity on earth also make them appealing for jewelry as well as physical investment in the form of coin and bullion.
Palladium.—in 2018, apparent domestic palladium consumption, defined as primary production plus secondary production plus imports minus exports, excluding imports and exports of waste and scrap, was 95,900 kg, an increase of 7% from 89,300 kg in 2017. the leading end use for palladium in 2018 was in the production of catalytic converters, which accounted for 71% of consumption in north america. other uses, including chemical and petroleum catalysts, dental and medical devices, electronics, and jewelry, accounted for the remaining 28% (CPm Group, 2019, p. 119).
Platinum-GrouP metals—2018 [aDVanCe release] 57.3
Platinum.—in 2018, apparent domestic platinum consumption, defined as mine production plus recycling plus imports minus exports, was 53,800 kg, an increase of 4% compared with apparent consumption in 2017. the leading end uses for platinum in 2018 were in the production of catalytic converters and in chemical and petroleum refining, which accounted for 57% and 20% of consumption in the united states, respectively. other uses accounted for 23% and included dental and medical devices, electronics, and jewelry (CPm Group, 2019, p. 37).
Other PGMs.—in 2018, adequate data were not available to determine the apparent consumption of iridium, osmium, rhodium, or ruthenium.
Prices
according to Platts metals Week, the engelhard unfabricated annual average prices for iridium, palladium, rhodium, and ruthenium in 2018 increased by 42%, 19%, 100%, and 218%, respectively, from those in 2017, whereas the price for platinum decreased by 7% (table 1). Figure 1 illustrates the average monthly prices from 2014 through 2018.
Iridium.—the annual average iridium price in 2018 was $1,293.27 per troy ounce, which was 42% greater than that in 2017. the iridium price began the year at $990 per troy ounce, where it remained until early march. the price then trended steeply upward from mid-april to late may and increased more gradually for the remainder of the year, ending the year at $1,485 per troy ounce. the price increase for iridium in 2018 was attributed to an increase in demand for iridium-containing crucibles used by producers of lithium-tantalite crystal material, especially for components in smartphones (Heraeus Precious Metals GmbH & Co. KG, 2019, p. 10).
Palladium.—the annual average palladium price in 2018 was $1,036.43 per troy ounce, which was 19% greater than that in 2017. the palladium price began 2018 at $1,092 per troy ounce and fluctuated throughout the year with a general trend upward, ending the year at $1,266 per troy ounce. the price increase for palladium in 2018 was reportedly the result of a limited supply with demand mostly from the automotive sector (Heraeus Precious Metals GmbH & Co. KG, 2019, p. 7).
Platinum.—in 2018, the annual average platinum price was $882.66 per troy ounce, which was 7% less than that in 2017, continuing a downward trend that began in 2012 after a record high of $1,725 per troy ounce in 2011. Platinum began the year at $939 per troy ounce and fluctuated throughout the year, ending the year at $790 per troy ounce. the price decrease for platinum in 2018 was largely owing to oversupply (Heraeus Precious Metals GmbH & Co. KG, 2019, p. 6).
Rhodium.—the annual average rhodium price in 2018 was $2,225.30 per troy ounce, which was double that of 2017. the rhodium price began the year at $1,725 per troy ounce and generally trended upward to the yearend price of $2,460 per troy ounce. exceptions included a notable trough from late april to mid-may and peaks from mid-september to late october and early november. the price increase for rhodium in 2018 was attributed to a limited supply and increased demand from the automotive sector (Heraeus Precious Metals GmbH & Co. KG, 2019, p. 8).
Ruthenium.—the annual average ruthenium price in 2018 was $244.41 per troy ounce, which was 218% greater than that in 2017. the ruthenium price began the year at $195 per troy ounce and increased gradually to $275 per troy ounce by yearend. the price increase for ruthenium in 2018 was largely owing to increased manufacturing of ruthenium-bearing hard-drive disk and increased demand for nylon materials in China (Heraeus Precious Metals GmbH & Co. KG, 2019, p. 9).
Foreign Trade
in 2018, imports for consumption of palladium, excluding waste and scrap, increased by 8% to 92,900 kg, from 86,000 kg in 2017. the imports were sourced predominantly from russia (37%), south africa (27%), Germany (17%), and Canada (7%). in 2018, imports for consumption of platinum, excluding waste and scrap, increased by 10% to 58,500 kg, from 53,200 kg in 2017. the leading sources of platinum imports were south africa (44%), Germany (23%), italy (6%), and switzerland (6%). imports for consumption of rhodium increased by 26% compared with 2017 to 14,500 kg; combined imports of iridium, osmium, and ruthenium increased by 12% to 18,900 kg. leading import sources for iridium, osmium, rhodium, and ruthenium in 2018 were south africa (51%), the united Kingdom (20%), Germany (19%), and russia (5%) (tables 2, 3).
in 2018, exports of palladium, excluding waste and scrap, totaled 53,300 kg, a slight increase from 2017. exports of platinum, excluding and waste and scrap, totaled 18,900 kg, a 14% increase compared with exports in 2017. exports of rhodium and combined exports of iridium, osmium, and ruthenium more than doubled compared with exports in 2017 (tables 1, 4).
World Review
in 2018, world mine production of PGms increased by 3% to 471,000 kg from 456,000 kg (revised) in 2017 (table 5). south africa accounted for the largest share of total PGm mine production in 2018 (58%), followed by russia, 25%; Zimbabwe, 6%; Canada, 6%; the united states, 4%; and other countries, less than 2%. in 2018, world platinum mine production increased by 3% to 190,000 kg, with south africa accounting for 72%; russia, 12%; Zimbabwe, 8%; Canada, 4%; the united states, 2%, and other countries, 2%. Global mine production of palladium in 2018 increased slightly to 220,000 kg. russia and south africa accounted for 41% and 37%, respectively, of world palladium production in 2018; Canada, 9%; the united states, 6%; Zimbabwe, 5%; and other countries, 1%. World mine production of other PGms (iridium, rhodium, and ruthenium) increased by 8% in 2018 compared with that of 2017, and south africa accounted for 87% of global production.
Belgium.—umicore n.V., a multinational materials technology company, expanded its precious-metals refining operations in Hoboken in response to increasing precious-metals demand in the global market. the increase in production was achieved in part through the addition of new employees at the Hoboken plant. increased process volumes were also achieved despite a fire that broke out in the plant in September (Umicore n.V., 2019, p. 20, 37; undated).
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Canada.—in october, north american Palladium ltd. announced the results of a new feasibility study for its lac des iles mine in northwestern ontario. the report extended mine life by 1 year to 2027 with the average ore production rate doubling to 12,000 metric tons per day. in December, north american Palladium ltd. announced that it had entered into a contract with mining engineering firm Redpath Canada Ltd. for a major expansion project for the lac des iles mine. the mine development was predicted to take 2 years to complete (Decharte and others, 2018, p. 9; north american Palladium ltd., 2018).
China.—on september 12, Heraeus Precious metals GmbH & Co. KG announced the opening of its new precious-metals plant in nanjing, Jiangsu Province. the facility would increase the company’s precious-metals and chemical products refining and recycling capacities, especially for PGms. its recycling rate and chemical production capacity were expected to increase to 3,000 metric tons per year (t/yr) and threefold, respectively (Heraeus Precious Metals GmbH & Co. KG, 2018).
Russia.—in 2018, PJCs mmC norilsk nickel (nornickel), a leading PGm producer in russia, produced palladium and platinum at its two production assets in russia—JsC Kolskaya mining and metallurgical Company (Kola mmC) on the Kola Peninsula and the Polar Division on the taymyr Peninsula. nornickel’s PGm production decreased slightly compared with that in 2017 owing to a decrease in the amount of third-party material processed (PJsC mmC norilsk nickel, 2019b). in February, nornickel and russian Platinum llC signed a deal to develop three PGm ore deposits in the norilsk industrial District in a 50–50 joint venture (PJsC mmC norilsk nickel, 2019a, p. 70). the three deposits would produce a combined 70 to 100 t/yr of PGms, 50,000 t/yr of nickel, and 70,000 t/yr of copper. a feasibility study was scheduled to be completed by the end of 2019, with the project beginning in 2020 and the first salable material expected in 2023 (Faye, 2018; Russia & CIS metals and mining Weekly, 2018a; Zhukov, 2018).
in may, nornickel announced plans to invest 25.7 billion rubles (more than $400 million in may 2018) over 6 years (2018–2023) to upgrade its assets at Kola mmC. the primary goals included increasing efficiency, increasing the quality of production, and reducing emissions (Russia & CIS Metals and mining Weekly, 2018b).
South Africa.—on april 2, six miners employed by african rainbow minerals ltd. were killed on their way to the modikwa mine. since the beginning of 2016, more than 400 incidents of social unrest took place in the eastern portion of south africa’s platinum belt, according to data from anglo american Platinum Ltd. The incidents were reportedly linked to conflicts between rival unions and grievances over jobs and revenue flows (stoddard, 2018a, b).
on august 2, impala Platinum Holdings ltd. (implats) published a strategic review of its rustenburg operations in South Africa aimed at ensuring long-term profitability. The strategy would involve decreasing the operational mine shafts from 11 to 6 and cutting 13,000 jobs over the next 2 years. annual production after the changes to operations was estimated to be 16,000 kg of PGms, down from the current production of about 23,000 kg of PGMs. Implats clarified that the changes would affect only its Rustenburg operations
and would not affect jobs at its mines in Zimbabwe (Impala Platinum Holdings ltd., 2018).
acquisitions of assets in south africa that took place in 2018 included northam Platinum ltd.’s acquisition of Glencore plc’s eland platinum mine in January and anglo american Platinum ltd.’s acquisition of its joint-venture partners’ shares in the mototolo operations in november (anglo american Platinum ltd., 2018; international mining, 2018). another new PGm project, the Waterberg joint venture, was announced by Platinum Group metals ltd., and a mining rights application was accepted by the south african Department of mineral resources in october. other partners involved in the venture included implats, mnombo Wethu Consultants (Pty) ltd., the Japan oil, Gas and metals national Corporation, Hanwa Co. ltd., and Hosken Consolidated investments ltd. (Platinum Group metals ltd., 2018a, b).
United Kingdom.—Vale S.A. closed its Acton PGM refinery as part of its business optimization strategy (Vale s.a., 2019, p. 59). the acton facility had processed PGm intermediates and PGm feeds from third parties. Johnson matthey Plc reported unscheduled downtime at its PGM refinery in the united Kingdom. the company reported that the downtime affected returns on investment and working capital (Johnson matthey Plc, 2019, p. 11).
Zimbabwe.—in June, Zimplats Holdings ltd. (a subsidiary of implats) announced that it had agreed to release 23,903 hectares of mining claims back to the Government of Zimbabwe. in 2013, the Government planned to compulsorily acquire a portion of Zimplats’ mining claims to allocate to other investors, which the company initially opposed. Karo mining Holdings ltd. was awarded mining rights to the land area (tharisa plc, 2018; Zimplats Holdings ltd., 2018).
the Government of Zimbabwe announced plans to construct a base- and precious-metals refinery that would be capable of processing all platinum material mined within the country. the Government also planned to place a 5% tax on exported platinum concentrates beginning in 2019 to encourage domestic refining (Thomson Reuters, 2018).
Outlook
Palladium, platinum, and rhodium are used primarily in catalytic converters in automobiles to decrease harmful emissions; therefore, the performance of the gasoline and hybrid automobile industry, which requires catalytic converters, will have the greatest impact on future consumption of these PGms. new environmental regulations on diesel vehicles in europe and the move towards electric vehicles globally are likely to decrease the demand for PGms in the long term. the development of hydrogen fuel cell vehicles, which use PGms, is an additional factor.
PGm production levels from south africa are expected to decrease slightly and will remain vulnerable to problems in the south african mining industry, including work stoppages caused by labor disputes and safety issues, ongoing restructuring of the platinum mining industry, and the closure of unprofitable mines. supply from Zimbabwe is expected to increase owing to ongoing mine expansions but is subject to political stability.
Platinum-GrouP metals—2018 [aDVanCe release] 57.5
recycling of platinum and palladium is expected to increase, particularly from automotive catalysts.
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Russia & CIS Metals and Mining Weekly, 2018b, Nornickel to invest 25.7 bln rubles to modernize Kola MMC 2018–2023: Russia & CIS Metals and mining Weekly [published by interfax ltd.], v. 28, no. 19, may 11–17, p. 10. (accessed november 4, 2019, via http://www.interfax.com.)
sibanye Gold ltd., 2019a, Form 20–F—2018: u.s. securities and exchange Commission, 374 p. (accessed may 3, 2019, at https://www.sec.gov/archives/edgar/data/1561694/000155837019002873/sbgl-20181231x20f.htm.)
Sibanye Gold Ltd., 2019b, Operating and financial results for the six months and year ended 31 December 2018: Westonaria, south africa, sibanye Gold ltd., 40 p. (accessed may 3, 2019, at https://thevault.exchange/?get_group_doc=245/1574324024-sibanyeresultsbookletH2Ye201821feb2019.pdf.)
stoddard, ed, 2018a, six workers killed in bus attack en route to south african platinum mine: thomson reuters, april 3. (accessed may 6, 2019, at https://www.reuters.com/article/us-safrica-union-violence/six-workers-killed-in-bus-attack-en-route-to-south-african-platinum-mine-idusKCn1Ha0Y5.)
stoddard, ed, 2018b, south africa’s east platinum belt hit by over 400 social unrest incidents since 2016: thomson reuters, april 10. (accessed may 6, 2019, at https://www.reuters.com/article/us-safrica-mining-unrest/south-africas-east-platinum-belt-hit-by-over-400-social-unrest-incidents-since-2016-idusKBn1HH20r.)
tharisa plc, 2018, tharisa acquires 26.8% of Karo Holdings to secure access to a tier one PGm resource on the Great Dyke in Zimbabwe for us$4.5 million: Paphos, Cyprus, tharisa plc news release, June 13, 3 p. (accessed may 6, 2019, at http://www.overend.co.za/download/tharisakaropressrelease.pdf.)
Thomson Reuters, 2018, Zimbabwe plans refinery for the country’s platinum mines—budget document: thomson reuters, november 22. (accessed may 6, 2019, at https://www.reuters.com/article/zimbabwe-platinum/zimbabwe-plans-refinery-for-the-countrys-platinum-mines-budget-document-idusl8n1XX5aX.)
trump, D.J., 2017, a Federal strategy to ensure secure and reliable supplies of critical minerals—executive order 13817 of December 20, 2017: Federal register, v. 82, no. 246, December 26, p. 60835–60837. (accessed December 2, 2019, at https://www.govinfo.gov/content/pkg/Fr-2017-12-26/pdf/2017-27899.pdf.)
twin metals minnesota llC, 2018, twin metals minnesota statement on action by u.s. Department of the interior to reinstate Federal mineral leases in northeast minnesota: st. Paul, mn, twin metals minnesota llC press release, may 2. (accessed may 6, 2019, at http://www.twin-metals.com/twin-metals-minnesota-statement-on-action-by-u-s-department-of-the-interior-to-reinstate-federal-mineral-leases-in-northeast-minnesota/.)
umicore n.V., 2019, integrated annual report 2018: Brussels, Belgium, umicore n.V., 195 p. (accessed august 2, 2019, at https://annualreport.umicore.com/storage/annualreport_2018/en-umicore-ar18-final-interactive-complete.pdf.)
57.6 [aDVanCe release] u.s. GeoloGiCal surVeY minerals YearBooK—2018
Umicore N.V., [undated], Precious metals refining: Brussels, Belgium, Umicore n.V. (accessed august 1, 2019, at https://www.umicore.com/en/bu/precious-metals-refining.)
U.S. Department of the Interior, Office of the Secretary, 2018, Final list of critical minerals 2018: Federal register, v. 83, no. 97, may 18, p. 23295–23296. (accessed may 6, 2019, at https://www.govinfo.gov/content/pkg/Fr-2018-05-18/pdf/2018-10667.pdf.)
Vale s.a., 2019, Form 20–F—2018: u.s. securities and exchange Commission, 314 p. (accessed may 6, 2019, at http://www.vale.com/en/investors/information-market/annual-reports/20f/20FDocs/Vale_20-F%20FY2018%20-%20final_i.pdf.)
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Zhukov, Vladimir, 2018, norilsk nickel and russian Platinum sign strategic partnership agreement: moscow, russia, PJsC mmC norilsk nickel and russian Platinum llC joint press release, February 7, 3 p. (accessed may 6, 2019, at https://www.nornickel.com/upload/iblock/0d7/nornickel_russian_platinum_-final_eng_full.pdf.)
Zimplats Holdings ltd., 2018, resolution of mining lease area and mining tenure issues: st. Peter Port, Guernsey [united Kingdom], Zimplats Holdings ltd. press release, June 6, 1 p. (accessed may 6, 2019, at https://www.zimplats.com/data/2018/06/Confirmation-of-Release-ZIM-resolution-of-mining-lease-area-and-mining-tenure-issues.pdf
GENERAL SOURCES OF INFORMATION
U.S. Geological Survey Publications
Flow studies for recycling metal Commodities in the united states. Circular 1196, 2011.
Global exploration and Production Capacity for Platinum-Group Metals From 1995 Through 2015. Scientific investigations report 2012–5164, 2012.
Historical statistics for mineral and material Commodities in the united states. Data series 140.
Platinum-Group elements. Ch. in Critical mineral resources of the united states—economic and environmental Geology and Prospects for Future supply, Professional Paper 1802, 2017.
Platinum-Group metals. Ch. in mineral Commodity summaries, annual.
Platinum-Group metals. international strategic minerals inventory summary report, Circular 930–e, 1986.
Platinum-Group metals. mineral industry surveys, monthly, since January 2004.
Platinum-Group metals (ir, os, Pd, Pt, rh, ru). Ch. in Metal Prices in the United States Through 2010, Scientific investigations report 2012–5188, 2013.
Platinum-Group metals—World supply and Demand. open-File report 2004–1224, 2005.
Precious metals. mineral industry surveys, monthly, through December 2003.
review of selected Global mineral industries in 2011 and an outlook to 2017. open-File report 2013–1091.
Other
CPm Group.Defense logistics agency strategic materials.international Platinum association.Platinum-Group metals. Ch. in mineral Facts and Problems,
u.s. Bureau of mines Bulletin 675, 1985.Platinum Guild international.roskill information services ltd.thomson reuters GFms surveys.
Platinum-GrouP metals—2018 [aDVanCe release] 57.7
2014 2015 2016 2017 2018United States:
Mine production:2
Palladium, Pd content:Quantity kilograms 12,400 12,500 13,100 14,000 r, e 14,300Value thousands $324,000 $280,000 $259,000 $380,000 r, e $639,000
Platinum, Pt content:Quantity kilograms 3,660 3,670 3,890 4,000 r, e 4,160Value thousands $163,000 $125,000 $124,000 $120,000 r, e $118,000
Refinery production:3
Palladium, Pd content:Quantity kilograms 42,700 38,300 43,800 r 38,000 r 26,600Value thousands $1,110,000 $857,000 $870,000 $1,070,000 r $1,360,000
Platinum, Pt content:Quantity kilograms 26,700 26,800 26,100 27,800 r 24,800Value thousands $1,190,000 $911,000 $832,000 $850,000 r $704,000
Imports for consumption, refined:Iridium, Ir content kilograms 1,960 1,010 1,300 1,420 1,020Osmium, Os content do. 322 8 27 856 25Palladium, Pd content do. 92,900 85,300 80,400 86,000 92,900Platinum, includes coins, Pt content do. 45,400 r 42,700 r 42,300 r 53,200 r 58,500Rhodium, Rh content do. 11,100 10,600 10,700 11,600 14,500Ruthenium, Ru content do. 11,000 8,230 8,410 14,600 r 17,900Waste and scrap, Pt content do. 112,000 123,000 154,000 354,000 40,700
Exports, refined:Iridium, osmium, and ruthenium, gross weight do. 887 781 736 939 2,600Palladium, Pd content do. 22,100 23,000 17,500 52,300 53,300Platinum, Pt content do. 14,800 14,400 14,000 16,700 18,900Rhodium, Rh content do. 433 759 794 844 2,010Waste and scrap, Pt content do. 254,000 246,000 48,100 55,500 31,800
Stocks, National Defense Stockpile, December 31:Iridium, Ir content do. 15 15 15 15 15Platinum, Pt content do. 261 261 261 261 261
Price, average:4
Iridium dollars per troy ounce 556.19 544.19 586.90 908.35 1,293.27Palladium do. 809.89 694.99 617.39 874.30 1,036.43Platinum do. 1,387.89 1,056.09 989.52 951.23 882.66Rhodium do. 1,174.23 954.90 696.84 1,112.59 2,225.30Ruthenium do. 65.13 47.63 42.00 76.86 244.41
Employment 1,620 1,440 1,430 1,510 1,630World, mine production, PGM content kilograms 382,000 r 470,000 r 460,000 r 456,000 r 471,000
SALIENT PLATINUM-GROUP METALS STATISTICS1 TABLE 1
4Price data are annual averages of daily Engelhard unfabricated quotations published in Platts Metals Daily.
3Data revised based on new sources of information and publicly available reports.
2Source: Sibanye-Stillwater investor reports. Data for 2017 were partially estimated for the months prior to Sibanye Gold Ltd.ʼs acquisition of Stillwater Mining Co. in May 2017.
1Table includes data available through December 11, 2019. Data are rounded to no more than three significant digits, except prices.
eEstimated. rRevised. do. Ditto.
57.8 [aDVanCe release] u.s. GeoloGiCal surVeY minerals YearBooK—2018
Qua
ntity
,Q
uant
ity,
Qua
ntity
,Q
uant
ity,
Qua
ntity
,Pt
con
tent
Val
uePt
con
tent
Val
uePt
con
tent
Val
uePt
con
tent
Val
uePt
con
tent
Val
ueC
ount
ry o
r loc
ality
(kilo
gram
s)(th
ousa
nds)
(kilo
gram
s)(th
ousa
nds)
(kilo
gram
s)(th
ousa
nds)
(kilo
gram
s)(th
ousa
nds)
(kilo
gram
s)(th
ousa
nds)
2017
1,57
0r
$49,
000
39,3
00$1
,200
,000
3,53
0$1
13,0
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040
$255
,000
837
$27,
600
2018
:A
ustra
lia--
----
----
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161
4,88
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ustri
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----
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43,
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451,
350
Bel
gium
411
61,
760
51,9
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88,
080
----
Bra
zil
----
----
----
141
----
Can
ada
842,
420
----
893,
250
486
14,7
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522
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237
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ance
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263
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----
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man
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46,7
004,
140
138,
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662,
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----
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ay n
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Platinum-GrouP metals—2018 [aDVanCe release] 57.9
Qua
ntity
,Q
uant
ity,
Qua
ntity
,Q
uant
ity,
Qua
ntity
,Q
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ity,
Pd c
onte
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alue
Ir co
nten
tV
alue
Os c
onte
ntV
alue
Ru
cont
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Val
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h co
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Pt c
onte
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Cou
ntry
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ilogr
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sand
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sand
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sand
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ams)
(thou
sand
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sand
s)20
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$2,4
00,0
001,
420
$38,
100
856
$1,7
4014
,600
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4,20
011
,600
$386
,000
354,
000
r$1
,050
,000
2018
:A
lger
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----
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----
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Aus
tralia
----
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1 Tabl
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clud
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ecem
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1, 2
019.
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unde
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an th
ree
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igits
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not
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n.2 U
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te a
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rap
TAB
LE 3
U.S
. IM
POR
TS F
OR
CO
NSU
MPT
ION
OF
PLA
TIN
UM
-GR
OU
P M
ETA
LS, B
Y C
OU
NTR
Y O
R L
OC
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TY1
r Rev
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Zero
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Palla
dium
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smiu
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2
57.10 [aDVanCe release] u.s. GeoloGiCal surVeY minerals YearBooK—2018
Quantity, Quantity, Quantity, Quantity, Quantity,Pd content Value Pt content Value gross weight Value Rh content Value Pt content Value
Country or locality (kilograms) (thousands) (kilograms) (thousands) (kilograms) (thousands) (kilograms) (thousands) (kilograms) (thousands)2017 52,300 $888,000 16,700 $494,000 939 $11,700 844 $30,700 55,500 r $540,000 r
2018:Argentina 69 1,650 47 2,390 -- -- -- -- -- --Australia -- -- 81 2,270 181 2,020 1 12 -- --Austria -- -- 2 74 5 72 -- -- 1 21Belarus 32 354 -- -- -- -- -- -- -- --Belgium 240 4,050 320 9,240 -- -- 74 3,630 6,280 125,000Brazil 437 13,700 91 2,720 1 6 20 950 -- --Canada 2,130 53,200 206 7,000 2 35 1 107 183 2,050China 2,940 88,900 332 9,360 136 3,470 270 16,200 -- --Colombia 22 475 (2) 4 (2) 6 -- -- -- --Costa Rica 181 1,680 284 3,830 8 41 -- -- -- --Czechia 18 224 -- -- -- -- -- -- 4 128Denmark 17 294 1 23 -- -- -- -- -- --France 351 3,220 41 1,290 27 302 (2) 4 -- --Germany 16,500 299,000 7,340 224,000 218 2,840 271 17,800 8,640 91,900Hong Kong 730 16,800 77 2,270 87 922 47 2,850 -- --India 111 3,110 303 9,230 95 962 4 188 48 1,470Ireland 221 2,190 284 8,140 4 14 -- -- -- --Israel 2,090 16,400 8 200 (2) 13 -- -- -- --Italy 2,520 76,200 81 2,580 34 774 52 2,900 2,060 72,400Japan 1,690 44,900 2,580 74,400 1,380 24,600 495 31,400 629 20,300Korea, Republic of 704 10,800 192 5,970 1 18 40 2,520 1 16Laos -- -- 20 615 -- -- -- -- -- --Mexico 243 2,910 252 8,100 11 150 3 365 -- --Netherlands 18 112 3 148 13 347 -- -- -- --New Zealand 27 566 3 106 -- -- -- -- -- --Peru 9 154 3 110 -- -- -- -- -- --Poland 6 49 5 107 (2) 7 -- -- -- --Russia -- -- 23 971 -- -- -- -- -- --Saudi Arabia 8 317 (2) 17 -- -- -- -- -- --Singapore 193 6,570 660 20,900 -- -- 25 1,660 -- --South Africa 2 11 1 14 -- -- 621 42,700 167 3,960Spain 10 75 -- -- -- -- -- -- -- --Switzerland 17,500 276,000 557 21,000 102 2,050 -- -- 8,150 126,000Taiwan 1,740 52,200 63 1,940 176 1,170 (2) 8 -- --Thailand 405 3,620 36 1,050 -- -- 1 57 4 120Turkey -- -- 41 1,420 -- -- -- -- -- --United Arab Emirates 5 122 2 61 -- -- -- -- -- --United Kingdom 2,110 83,200 4,960 164,000 110 2,680 88 6,330 5,640 172,000Uruguay -- -- 7 246 (2) 4 -- -- -- --Vietnam 1 25 28 818 -- -- -- -- -- --Other 30 535 19 599 3 29 (2) 18 -- --
Total 53,300 1,060,000 18,900 587,000 2,600 42,600 2,010 130,000 31,800 616,000
Source: U.S. Census Bureau.
PlatinumIridium, osmium,
ruthenium
rRevised. -- Zero.1Table includes data available through December 11, 2019. Data are rounded to no more than three significant digits; may not add to totals shown.2Less than ½ unit.
Waste and scrap
TABLE 4U.S. EXPORTS OF PLATINUM-GROUP METALS, BY COUNTRY OR LOCALITY1
Palladium Rhodium
Platinum-GrouP metals—2018 [aDVanCe release] 57.11
2014 2015 2016 2017 2018Palladium:
Australiae, 3 600 420 590 600 420Botswana 1,120 930 e -- e -- e -- e
Canadae 23,000 r 24,000 r 22,000 r 19,000 r 20,000China 830 r, e 1,200 1,400 r 1,400 1,300Finland 808 784 901 1,021 1,157Russiae 86,000 r 85,000 r 83,000 r 88,000 r 90,000Serbia 23 31 31 38 38 e
South Africa 58,410 82,691 76,273 80,132 r 80,629United States4 12,400 12,500 13,100 14,000 r, e 14,300Zimbabwe 10,138 10,055 12,222 11,822 r 12,000 e
Total 193,000 218,000 r 209,000 r 216,000 r 220,000Platinum:
Australiae, 3 170 120 170 170 120Botswana 249 190 e -- e -- e -- e
Canadae 7,200 r 8,600 r 8,400 r 7,600 r 7,400China 1,600 2,300 2,900 r 2,500 2,500Colombia 1,142 861 917 566 269Ethiopiae -- 5 5 5 5Finland 1,060 992 1,178 1,418 1,576Russiae 23,000 23,000 r 22,000 r 22,000 r 22,000Serbia 3 4 4 2 2 e
South Africa 93,991 139,125 133,241 131,242 r 137,053United States4 3,660 3,670 3,890 4,000 r, e 4,160Zimbabwe 12,483 12,564 15,110 14,257 r 15,000 e
Total 145,000 r 191,000 r 188,000 r 184,000 r 190,000Iridium:
Canadae 200 100 300 200 200Russiae 200 200 200 300 200South Africa 4,231 6,230 6,624 5,973 6,357Zimbabwe 544 507 598 619 540 e
Total 5,180 7,040 7,720 7,090 7,300Rhodium:
Canadae 600 600 600 60 400Russia 2,830 2,613 2,644 2,115 2,700 e
South Africa 12,916 18,722 19,237 18,431 18,608Zimbabwe 1,140 1,128 1,322 1,283 1,300 e
Total 17,500 23,100 23,800 21,900 23,000Ruthenium:
Canadae 200 300 300 500 300Russiae 1,000 1,000 1,000 1,000 1,000South Africa 18,896 28,747 28,278 24,486 27,999Zimbabwe 983 977 1,174 1,102 1,200 e
Total 21,100 31,000 30,800 27,100 30,500Grand total 382,000 r 470,000 r 460,000 r 456,000 r 471,000
TABLE 5PLATINUM-GROUP METALS: WORLD MINE PRODUCTION, BY COUNTRY OR LOCALITY1
(Kilograms)
eEstimated. rRevised. -- Zero.1Table includes data available through August 1, 2019. All data are reported unless otherwise noted. Totals, U.S. data, and estimated data are rounded to no more than three significant digits; may not add to totals shown.
3PGMs recovered from nickel ore. PGMs in exported nickel ore are refined in importing countries, such as Japan and Poland.
2In addition to the countries and (or) localities listed, Indonesia and the Philippines may have produced limited quantities of platinum-group metals (PGMs), but available information was inadequate to make reliable estimates of output.
4Byproduct platinum and palladium produced from gold-copper and nickel ores were excluded.
Country or locality2
57.12 [aDVanCe release] u.s. GeoloGiCal surVeY minerals YearBooK—2018
Figure 1. Engelhard unfabricated average monthly prices for platinum-group metals (iridium, palladium, platinum, rhodium, and ruthenium), 2014–18. Source: Platts Metals Week.
0100200300400500600700800900
1,0001,1001,2001,3001,4001,5001,6001,7001,8001,9002,0002,1002,2002,3002,4002,5002,6002,700
Aver
age
mon
thly
pric
e, in
dol
lars
per
troy
oun
ceIridium
Palladium
Platinum
Rhodium
Ruthenium
EXPLANATION
Jan. Mar. May2014
July Sept. Nov. Jan. Mar. May2015
July Sept. Nov. Jan. Mar. May2016
Months
July Sept. Nov. Jan. Mar. May2017
July Sept. Nov. Jan. Mar. May2018
July Sept. Nov.